Ontologia

Rivière· 96 segments

St. Joseph River

Crosses 13 administrative regions : Allen, Berrien, Branch, Calhoun, Cass +7

rivière

Total length

459km

Max discharge

101,8m³/s

Max Strahler

5

Segments matched

96

River geography13 admin regions · 0 communes

Parent watershed

hybas-70804922802150 km²

13 administrative regions crossed (GADM L2)

  • Saint Joseph
    Michigan · United States
    66.7 km
    in this dpt
  • Berrien
    Michigan · United States
    64.7 km
    in this dpt
  • Williams
    Ohio · United States
    56.4 km
    in this dpt
  • Saint Joseph
    Indiana · United States
    48.3 km
    in this dpt
  • Calhoun
    Michigan · United States
    42.7 km
    in this dpt
  • Allen
    Indiana · United States
    41.3 km
    in this dpt
  • De Kalb
    Indiana · United States
    37.2 km
    in this dpt
  • Elkhart
    Indiana · United States
    27.7 km
    in this dpt
  • Hillsdale
    Michigan · United States
    26.3 km
    in this dpt
  • Branch
    Michigan · United States
    25.2 km
    in this dpt
  • Defiance
    Ohio · United States
    12.3 km
    in this dpt
  • Lake Michigan
    Michigan · United States
    3.3 km
    in this dpt
  • Cass
    Michigan · United States
    0.5 km
    in this dpt

27 intersecting protected areas

18 more protected areas

1 page = 1 named river (aggregation of 96 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

260 distinct species · 2 403 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 38 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de St. Joseph River : 23 espèces reliées par 137 interactions GloBI sur 4 types (connectance 18.5%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
137
Connectance
0.185
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

459km

Max discharge

101,8m³/s

Max Strahler

5

Segments matched

96

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.